Mantak Chia is a world-renowned teacher of the Taoist arts, from Tai Chi to Taoist sexuality. He is the coauthor of The Multi-Orgasmic Man and The Multi-Orgasmic Couple. He lives in Thailand and teaches in the United States and around the world.
Rachel Carlton Abrams, M.D., is a family-practice physician who is also board certified in holistic medicine. She is the founder and medical director of Santa Cruz Integrative Medicine and Chi Center, where she specializes in holistic approaches to health and sexuality. The coauthor of The Multi-Orgasmic Couple, she lives in Santa Cruz, California, with her husband and three children.